setresgid          43 maint/gnulib/lib/idpriv-drop.c   if (setresgid (gid, gid, gid) < 0)
setresgid          52 maint/gnulib/lib/idpriv-droptemp.c   if (setresgid (-1, gid, saved_gid) < 0)
setresgid         152 maint/gnulib/lib/idpriv-droptemp.c   if (setresgid (-1, saved_gid, -1) < 0)
setresgid          57 maint/gnulib/lib/spawni.c #  define setegid(id) setresgid (-1, id, -1)